- AGATI
- Airgas
- Alpha Building Corporation
- America To Go
- American Education Supply
- American Express
- Anthony James Partners
- Anthony Travel
- Antos Environmental
- Aries Building Systems
- B&H Photo Video
- Batteries Plus Bulbs
- Beckman Coulter
- Bottom Line Concepts
- Canteen
- Carrier Corporation
- Carrier Enterprise
- CDW-G – Cloud Services
- CDW-G – Computer Equipment & Related Hardware, Software, Services, & Support
- Chartwells
- Claridge
- Coalesse
- Collaborative Solutions
- Columbia Advisory Group (CAG)
- Complete Book and Media Supply
- Connection® Public Sector Solutions – Computer Equipment & Related Hardware, Software, Services, & Support
- Connection® Public Sector Solutions – IT Managed Services
- CORE – Construction Management at Risk (CMAR)
- CORE Construction
- Core Health and Fitness
- Corporate Travel Planners
- D2L Ltd.
- Demco, Inc.
- Enterprise Business Solutions
- Enterprise Fleet
- eShipGlobal
- Falcon
- Ferguson
- FieldTurf
- Filtration Concepts
- Food Services
- Gilbane – Construction Management at Risk (CMAR)
- Gilbane Building Company
- Global Furniture Group
- GovDeals
- Grainger
- Gunlocke
- Henry Schein, Inc. – Athletic Supplies
- Henry Schein, Inc. – Dental Supplies
- Hightower Group
- HireRight
- HITT Contracting
- Humanscale Corporation
- Huron
- IM Supply
- Innovative Modular Solutions
- Interface
- Iron Mountain
- Irwin Seating Company
- IVCi, LLC
- JAGGAER
- Jamail & Smith Construction
- JMI Sports
- Jonti-Craft
- Kiana Analytics
- Korn Ferry
- LabRepCo
- Legend Labs
- Levy Restaurants
- List Industries
- Lowe’s
- Max-R
- Medline Industries – Medical/Surgical Supplies
- Medline Industries – Pharmaceuticals and OTC
- Meenta
- MityLite, Inc.
- Mobile Modular
- Moving Minds
- Mythics, Inc.
- NAPA
- Nikon Instruments, Inc.
- Nine Mile Health
- Nouveau Construction and Technology Services
- NuAire
- Ouriginal
- PaymentWorks
- PHC Corporation
- Pitney Bowes – Shipping & Mailing
- PPG Paints
- Proctorio
- Procurex
- Pure Air
- Safe Health Systems
- SAP Concur
- Sargent Welch
- Sauder Education
- Schindler Elevator Corporation
- Shelby Williams
- Sherwin-Williams
- SIRVA Worldwide
- SKC Communications
- Smith System Manufacturing Company
- SourceRx
- Southwest Contract
- Specialty Underwriters
- SSB
- SSC – Custodial Services
- SSC – Facilities Maintenance
- SSC – Landscape Maintenance
- Staples
- Staples Promotional Products
- Steelcase Health
- Steelcase, Inc.
- STERIS
- Strata Information Group (SIG)
- Strategic Equipment, LLC (TriMark)
- Sunbelt Rentals
- Tarkett USA Inc.
- The Baker Company
- Thonet
- Transformations Furniture
- Tremco/Weatherproofing Technologies, Inc.
- Turnstone
- UniGroup
- Unimarket
- Unit4, Inc.
- United Rentals
- University Sleep Products
- UPS
- VWR, part of Avantor
- Ward’s Science
- Waters Corporation
- Wayne’s Roofing
- Wheels Labs
- Workday, Inc.
- Worldwide Sourcing Group
- Xerox
